Garlic Prawns

Ingredients:
- 3 tbsp olive oil
- 12 large raw prawns
- 4 cloves garlic, 3 roughly chopped, 1 left whole
- 2 dried chillies, sliced (the finer the better) or 1 fresh red chilli
- 100ml dry white wine
- 1 pack flat-leaf parsley, stalks removed
- 1 lemon (optional)